Mutations in the Growth Factor SONIC HEDGEHOG Would Be Expected

question 34

Multiple Choice

Mutations in the growth factor SONIC HEDGEHOG would be expected to result in which birth defect?

• A) Cleft lip
• B) Cleft palate
• C) Craniosynostosis
• D) Holoprosencephaly
• E) Mandibulofacial dysostosis

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Definitions:

Absolute Dating Techniques

Methods used in archeology and geology to determine the exact age of an artifact, fossil, or site, such as carbon dating.

Coltan

A mineral comprising columbite and tantalite, used primarily in the production of tantalum capacitors for electronic devices such as mobile phones.

Eastern Congolese Mines

Mining operations in the eastern region of the Democratic Republic of Congo, often noted for their extraction of minerals like coltan and the associated human and environmental issues.

Mobile Phones

Handheld devices that allow for voice and often data communication over cellular networks.